wxGUI: update comment (tab order) [sync'ed with develbr6]

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@31259 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/menuform.py

@@ -850,7 +850,7 @@ class cmdPanel(wx.Panel):
                 is_section[ task['guisection'] ] += 1
         del is_section
 
-        # Main goes first, Options goes second
+        # 'Required' tab goes first, 'Optional' as the last one
         for (newidx,content) in [ (0,_( 'Required' )), (len(sections)-1,_('Optional')) ]:
             if content in sections:
                 idx = sections.index( content )